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Tesla files Patent for New Lithium Ion Battery Technology-- The 21st China (Guangzhou) Int’l Plate metal, Bar, wire, Metal Processing &Setting Equipment Exhibition
1/3/2020 金屬板材展-棒材-線材展 -plate metal expo-wire expo |
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Tesla in partnership with physicists from Canada’s Dalhousie University filed a patent on December 26 for a new lithium-ion battery technology. The patented design claims to significantly outperform the existing Li-Ion batteries widely used in electric vehicles and other energy storage applications. Current Li-Ion battery packs lifespans are inadequate for long distance freight shipping or continuous taxi services. The average trucker, for instance, drives 2,000 – 3,000 miles per week, totaling 100,000 – 50,000 miles per year. Tesla’s proposed million-mile battery pack would still retain 95% of its life after 1,000 cycles.
The lifetime of a battery is measured in discharge cycles, using 100% of a battery’s charge amounts to one full cycle. With a typical 100 kWH lithium-ion battery found in a Tesla Model S providing only 1,000 to 2,000 discharge cycles, current battery tech remains impractical and uneconomical for commercial long-distance drivers. The new battery chemistry, which seems to build off of a September battery patent, claims to boost efficiency, energy density, and longevity at reduced costs relative to current Li-Ion batteries. It’s an upgrade of existing lithium nickel manganese cobalt oxide battery chemistry which Tesla utilizes in its stationary energy storage systems, but not in its vehicle fleet that would be lithium nickel cobalt aluminum oxide, or NCA-type batteries.
The cathode crystal structure and chemical makeup of the new battery means it is far more resistant to the inevitable damage that comes with cycling.
金屬板材展-線材展-金屬加工展-2020第二十一屆廣州國際金屬板材、棒材、線材及金屬加工設備展—全球三大金屬展之一巨浪展覽
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